Base | Representation |
---|---|
bin | 10010101010110010… |
… | …110011110000100110 |
3 | 1220201222210111220011 |
4 | 102222302303300212 |
5 | 312023100040420 |
6 | 13113024400434 |
7 | 1306512236632 |
oct | 225262636046 |
9 | 56658714804 |
10 | 20045315110 |
11 | 855706aa27 |
12 | 3a7517611a |
13 | 1b75bb2802 |
14 | d8231ddc2 |
15 | 7c4c1c95a |
hex | 4aacb3c26 |
20045315110 has 16 divisors (see below), whose sum is σ = 36093456000. Its totient is φ = 8015484096.
The previous prime is 20045315093. The next prime is 20045315113. The reversal of 20045315110 is 1151354002.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20045315113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298230 + ... + 359209.
It is an arithmetic number, because the mean of its divisors is an integer number (2255841000).
Almost surely, 220045315110 is an apocalyptic number.
20045315110 is a deficient number, since it is larger than the sum of its proper divisors (16048140890).
20045315110 is a wasteful number, since it uses less digits than its factorization.
20045315110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 660495.
The product of its (nonzero) digits is 600, while the sum is 22.
Adding to 20045315110 its reverse (1151354002), we get a palindrome (21196669112).
The spelling of 20045315110 in words is "twenty billion, forty-five million, three hundred fifteen thousand, one hundred ten".
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